// JavaScript Document
function windowOpener(windowHeight, windowWidth, windowName, windowUri)
{
    var centerWidth = (window.screen.width - windowWidth) / 2;
    var centerHeight = (window.screen.height - windowHeight) / 2;

    newWindow = window.open(windowUri, windowName, 'resizable=1,width=' + windowWidth + 
        ',height=' + windowHeight + 
        ',left=' + centerWidth + 
        ',top=' + centerHeight);

    newWindow.focus();
    return newWindow.name;
}

//

function MM_preloadImages() { //v3.0
  var d=document; if(d.images){ if(!d.MM_p) d.MM_p=new Array();
    var i,j=d.MM_p.length,a=MM_preloadImages.arguments; for(i=0; i<a.length; i++)
    if (a[i].indexOf("#")!=0){ d.MM_p[j]=new Image; d.MM_p[j++].src=a[i];}}
}

function MM_swapImgRestore() { //v3.0
  var i,x,a=document.MM_sr; for(i=0;a&&i<a.length&&(x=a[i])&&x.oSrc;i++) x.src=x.oSrc;
}

function MM_findObj(n, d) { //v4.01
  var p,i,x;  if(!d) d=document; if((p=n.indexOf("?"))>0&&parent.frames.length) {
    d=parent.frames[n.substring(p+1)].document; n=n.substring(0,p);}
  if(!(x=d[n])&&d.all) x=d.all[n]; for (i=0;!x&&i<d.forms.length;i++) x=d.forms[i][n];
  for(i=0;!x&&d.layers&&i<d.layers.length;i++) x=MM_findObj(n,d.layers[i].document);
  if(!x && d.getElementById) x=d.getElementById(n); return x;
}

function MM_swapImage() { //v3.0
  var i,j=0,x,a=MM_swapImage.arguments; document.MM_sr=new Array; for(i=0;i<(a.length-2);i+=3)
   if ((x=MM_findObj(a[i]))!=null){document.MM_sr[j++]=x; if(!x.oSrc) x.oSrc=x.src; x.src=a[i+2];}
}

//
var lastPannel = "pannel1";
var lastTab = "tab1";

function showPannel(pannelID, tabID) {
	if (pannelID != lastPannel) {
		document.getElementById(lastTab).className = "topNavOff";
		document.getElementById(tabID).className = "topNavOn";
		lastTab = tabID;
		document.getElementById(lastPannel).className = "pannelOff";
		document.getElementById(pannelID).className = "pannelOn";
		lastPannel = pannelID;
	}
}

// **** Begin Check Valid Phone code ****

// Declaring required variables
var digits = "0123456789";
// non-digit characters which are allowed in phone numbers
var phoneNumberDelimiters = "()- ";
// characters which are allowed in international phone numbers
// (a leading + is OK)
var validWorldPhoneChars = phoneNumberDelimiters + "+";
// Minimum no of digits in an international phone no.
var minDigitsInIPhoneNumber = 10;

function isInteger(s) {
	var i;
    for (i = 0; i < s.length; i++) {   
        // Check that current character is number.
        var c = s.charAt(i);
        if (((c < "0") || (c > "9"))) return false;
    }
    // All characters are numbers.
    return true;
}

function stripCharsInBag(s, bag) {
	var i;
    var returnString = "";
    // Search through string's characters one by one.
    // If character is not in bag, append to returnString.
    for (i = 0; i < s.length; i++) {   
        // Check that current character isn't whitespace.
        var c = s.charAt(i);
        if (bag.indexOf(c) == -1) returnString += c;
    }
    return returnString;
}

function checkInternationalPhone(strPhone) {
	s=stripCharsInBag(strPhone,validWorldPhoneChars);
	return (isInteger(s) && s.length >= minDigitsInIPhoneNumber && strPhone != '123-456-7890');
}

// **** End Check Valid Phone code ****


function isEmail(str) {
	var at="@"
	var dot="."
	var lat=str.indexOf(at)
	var lstr=str.length
	var ldot=str.indexOf(dot)
	if (str.indexOf(at)==-1) {
	   return false
	}
	if (str.indexOf(at)==-1 || str.indexOf(at)==0 || str.indexOf(at)==lstr) {
	   return false
	}
	if (str.indexOf(dot)==-1 || str.indexOf(dot)==0 || str.indexOf(dot)==lstr) {
		return false
	}
	if (str.indexOf(at,(lat+1))!=-1){
		return false
	}
	if (str.substring(lat-1,lat)==dot || str.substring(lat+1,lat+2)==dot) {
		return false
	}
	if (str.indexOf(dot,(lat+2))==-1) {
		return false
	}
	if (str.indexOf(" ")!=-1) {
		return false
	}
	return true					
}

function isEmpty(str) {
	str = str.replace(/\s+/g,'');
	if (str == "") {
		return true;
	} else {
		return false;
	}
}

function verify() {
	var valid = 1;
	var alertTxt = '';
	document.form.name.className = "";
	document.form.district.className = "";
	document.form.email.className = "";
	document.form.phone.className = "";
	if (isEmpty(document.form.name.value)) {
		valid = 0;
		document.form.name.className = "empty";
		alertTxt = alertTxt + 'You must enter your name.\n';
	}
	if (isEmpty(document.form.district.value)) {
		valid = 0;
		document.form.district.className = "empty";
		alertTxt = alertTxt + 'You must enter your district.\n';
	}
	if (!isEmail(document.form.email.value)) {
		valid = 0;
		document.form.email.className = "empty";
		alertTxt = alertTxt + 'You must enter a valid email address.\n';
	}
	if (!checkInternationalPhone(document.form.phone.value)) {
		valid = 0;
		document.form.phone.className = "empty";
		alertTxt = alertTxt + 'You must enter your phone number with area code.\n';
	}
	if (valid == 1) {
		document.form.submit();
	} else {
		alert(alertTxt);
		return false;
	}
}

var phoneInit = 0;

function phoneClear() {
	if (phoneInit != 1) {
		document.getElementById('phone').style.color = "#000000";
		document.getElementById('phone').value = '';
		phoneInit = 1;
	}
}

function DVreset() {
	document.form.name.className = "";
	document.form.district.className = "";
	document.form.email.className = "";
	document.form.phone.className = "";
	document.form.reset();
	document.getElementById('phone').style.color = "#999999";
	phoneInit = 0;
	return false;
}

function openPop(pageLoc, pageWidth, pageHeight) {
	var topPos = (screen.height - pageHeight) / 2;
	var leftPos = (screen.width - pageWidth) / 2;
	
	window.open(pageLoc,"nutriWeb","menubar=no,width=" + pageWidth + ",height=" + pageHeight + ",toolbar=no,resizable=no,directories=no,scrollbars=no,status=no,titlebar=yes" + ",left=" + leftPos + ",top=" + topPos);
}
	

//

function getY (element) {
	var y = document.getElementById(element).style.bottom;
	y = y.substring(0,(y.length - 2)) * 1;
	return y;
}

//

var lastState = "";
var stateMapStorage = "";

function showState(state) {
	if (lastState == "") {
		document.getElementById(state).className = "stateOverOnTop";
		lastState = state;
		stateMapStorage = document.getElementById('stateMap').innerHTML;
		document.getElementById('stateMap').innerHTML = "";
	}
}

function hideState(state) {
	document.getElementById(state).className = "stateOverOff";
	document.getElementById(state + "over").className = "stateOverOff";
	document.getElementById('stateMap').innerHTML = stateMapStorage;
	lastState = "";
}

function stateOver(imageID) {
	if (lastState == "") {
		document.getElementById(imageID).className = "stateOverOn";
	}
}

function stateOut(imageID) {
	if (lastState == "") {
		document.getElementById(imageID).className = "stateOverOff";
	}
}